The ornamental design for an anatomicalneckband, as shown and described.
FIG. 1 is a front, left isometric view of anatomical neckband being worn by a user.
FIG. 2 is an isometric view of the anatomical neckband;
FIG. 3 is a front elevation view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a right side elevation view thereof;
FIG. 6 is a left side elevation view thereof;
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is a rear elevation view thereof.
The broken lines showing stitching around the outer perimeter of the neckband, the oblong shapes at one end of the neckband, a zipper, and a human figure, form no part of the claimed design.